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low heat     
相关语句
  低热
     Applied FeSO_4·7H_2O and(NH_4)_3PO_4·3H_2O as materials,PEG-400 as template,multi-micronutrient fertilizer ferrous ammonium phosphate was synthesized by low heat solid state reaction.
     以FeSO4.7H2O和(NH4)3PO4.3H2O为原料,用聚乙二醇-400作模板剂,经低热固相反应合成了磷酸亚铁铵多元微肥。
短句来源
     Microstructure of alloying coating produced by low heat input is composed of the great mass of γ(Fe,Ni) and a small quantity of α(Fe-Cr) at γ(Fe,Ni) boundary while there is γ(Fe,Ni)+Cr 2B eutectic at γ(Fe,Ni) boundary of alloying coating produced by high heat input.
     采用低热输入合成的合金化层的显微组织由大量的γ(Fe ,Ni)及少量的晶界α(Fe Cr)构成 ,而高热输入合成的合金化层中的γ(Fe ,Ni)晶界为γ(Fe ,Ni) +Cr2 B双相共晶
短句来源
     Development of Low Fat and Low Heat Food
     低脂低热食品的开发
短句来源
     A new low heat input digital welding power source control system,which adopts inverter technology using IGBT,is developed based on TMS320F2812 DSP chip.
     以DSP(数字信号处理器)TMS320F2812为控制核心,采用IGBT逆变技术研制了新型低热输入数字化焊接电源。
短句来源
     6 Methods of low heat solid phase coordination,chemical reaction,analytic purity ZnO surface modification,homogeneous precipitation,sol-gel,co-precipitation and solid milling are used to prepare ZnO catalysts.
     用低热固相配位化学反应方法、分析纯ZnO表面改性、均相沉淀法、溶胶-凝胶法、并流沉淀法和固体研磨法6种方法制备了ZnO催化剂。
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  降低热量
     Production operation has shown that the newly designed plasma nitriding furnace is of low heat loss, high loadbearing capacity and easy maintenance.
     实际使用表明,新型离子渗氮炉可大大降低热量损失,增加承重能力,维护保养方便;
短句来源
     Production operation has shown that the newly designed plasma nitriding furnace is of low heat loss,high load-bearing capacity and easy maintenance.
     实际使用表明,新型离子渗氮炉可大大降低热量损失,增加承重能力,维护保养方便;
短句来源
     Production operation has shown that the newly designed plasma nitriding furnace is of low heat loss, high load-bearing capacity and easy maintenance.
     实际使用表明,新型离子渗氮炉可大大降低热量损失,增加承重能力,维护保养方便;
短句来源
  热低
     Compared with HBC(High-belite Cement), PC(Portland Cement) and MHC(Moderate Heat Cement), it is affirmed that there are lots of advantages for HBC, such as energe-saving, enviromental protection, high flowability of concrete mix, high strength in late age and low hydration heat, and all of this show that it is suited for development and application of low heat high performance dam concrete.
     通过对高贝利特水泥(HBC)、硅酸盐水泥(PC)、中热水泥(MHC)的性能对比试验 ,结合机理探讨 ,确认了HBC水泥具有节能 ,环保 ,混凝土流动性好 ,水化热低 ,后期强度高等许多优越性 ,适于在低热高性能大坝混凝土中开发应用。
短句来源
     The results show that star MVBR, whose molecular weight of one arm attaints to 80000 , vinyl content is about 49.7% and average number of arm coupled with SnCl 4 is 3.8 , has good processing and flow property, high physical mechanical properties and low heat accumulation.
     结果表明 ,单臂分子量为 8万、乙烯基含量为 4 9.7%、平均偶联臂数为 3.8时 ,胶料的加工流变性能优异、力学强度高、动态生热低。 与线型 MVBR和 BR相比 ,星型 MVBR的抗湿滑性好、滚动阻力低。
短句来源
     The results showed that SSBR(B) had characteristic chain structure and the SSBR/NR composite showed a good compatibility and low heat generation under pressure.
     结果表明 ,溶聚丁苯橡胶 SSBR( B)具有特征的链化学结构 ,与天然橡胶有良好的混容性 . 溶聚丁苯橡胶 /天然橡胶复合体系生热低 ,而且具有比较均匀的交联网状结构 .
短句来源
     According to the causes of tunnel seepage and problems of crack and durability of masonry liner concrete, the application of fly ash concrete is tested based upon its characteristics including placeability, watertightness, low heat of hydration small expansion and shrinkage, high strength of long term.
     通过对隧道渗漏水原因的分析 ,针对隧道衬砌混凝土的开裂和耐久性问题 ,根据粉煤灰混凝土和易性好、水密性好、水化热低、膨胀收缩小、长期强度高的特点 ,对粉煤灰混凝土应用于隧道衬砌中进行了试验研究
短句来源
     Moreover, the composite cement is a kind of low calcium, high silica and alumina rich cement with large long term strength gain, good sulfate resistance, low dry shrinkage, small permeability, and low heat. The carbonation resistance however is relatively low.
     另外,该复合水泥是一种低钙、富硅、富铝的水泥,其长期强度增进率大、抗硫酸盐侵蚀性能好、干缩值较小、渗透系数小、水化热低,但抗碳化性能较差。
短句来源
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  低供热
     New Process for Pressure Swing Regeneration with Low Heat Supply
     低供热源变压再生新工艺
短句来源
     Operation and Characteristics of CO_2 Removing Process by Pressure Swing Regeneration with Low Heat Source
     低供热源变压再生脱碳工艺的运行及特点
短句来源
     Development and application of new process for removing CO_2 with pressure swing regeneration and low heat supply
     低供热源变压再生脱碳新工艺的开发及应用
短句来源
     A new process for removing CO 2 with low heat supply and pressure swing regeneration was developed, and a set of software for simulated calculating and optimizing the process was designed.
     开发了一种低供热源变压再生脱碳新工艺 ,并为该工艺研制了一套过程模拟计算和调优软件。
短句来源
     Retrofit is done of the original regeneration system for CO 2 removal with the process of pressure swing regeneration with low heat source.
     采用低供热源变压再生工艺对原脱碳再生系统进行改造。
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  low heat
Generally low heat flow is observed in wells within the deeper portions of the basin and higher heat flow values occur in wells along the Aklavik Arch Complex which forms the southeastern margin of the basin.
      
An area with extremely low heat flow is observed in the western side of the caldera showing the presence of percolating meteoric water.
      
The average heat flow in CPC and the low heat generation (less than 1 μW m-3) indicate that a relatively large amount of heat flows upwards into the crust which is generally quite cool.
      
Heat flow data from the eastern Mediterranean region indicates an extensive area of low heat flow, spreading over the whole basin of the Mediterranean east of Crete (Levantine Sea), Cyprus, and northern Egypt.
      
The % Rx for 6069-AC ingot is higher than that of 6061-AC ingot at a given % CW and heat-treatment temperature, especially at low heat-treatment temperatures.
      
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The present work, on the basis of experimental investigation of water heat pipes, proposes an optimal wick structure with low resistance and high transport capability and treats of the mechanism of heat transfer in the evaporator zone of the heat pipe. It is concluded that heat is transferred by conduction across wick-liquid matrix for metal working fluids and non-metallic working fluids in low heat flux. For non-metallic working fluids in high heat flux, nucleate boiling may occur in wick liquid...

The present work, on the basis of experimental investigation of water heat pipes, proposes an optimal wick structure with low resistance and high transport capability and treats of the mechanism of heat transfer in the evaporator zone of the heat pipe. It is concluded that heat is transferred by conduction across wick-liquid matrix for metal working fluids and non-metallic working fluids in low heat flux. For non-metallic working fluids in high heat flux, nucleate boiling may occur in wick liquid matrix. In this case, premature burnout caused by nucleate boding can be prevented by means of proper wick design. The results of the test indicate that by the use of the gravity-assisted water heat pipe with 1.5-M-length and tilt angle of 3? its maximum heat transfer rate will be five times greater than that of horizontal heat pipe. Finally, engineering application of heat pipes to thyristor cooling and heat recovery will be presented.

本文在水热管试验研究的基础上,提出低热阻、高传热率的最佳吸液芯结构,论述热管蒸发区内的传热机理。对于金属流体和低热流密度下的非金属流体,蒸发区内的传热主要靠通过吸液芯-液体组合体的导热;对于高热流密度下的非金属流体,蒸发区内可能出现核沸腾,这时妥善设计吸液芯,可以延缓因核沸腾而过早地出现干涸的现象。试验表明,1.5米长的重力辅助水热管,倾角3°下最大传热率竟比水平时增加6倍。最后,介绍水热管在晶闸管散热和余热回收中的工程应用。

This paper describes the upper and lower heat input limits of EB welding for four kinds of thin sheet materials normally used in aircraft industry. The testing data for the useful range of survey are also provided. The method of approximation to the lower limit for getting a sound weld with full penetration is given. In this paper, we have explained the influence of upper and lower heat input limits on the formation of welding bead and introduced the method of using the curve of heat...

This paper describes the upper and lower heat input limits of EB welding for four kinds of thin sheet materials normally used in aircraft industry. The testing data for the useful range of survey are also provided. The method of approximation to the lower limit for getting a sound weld with full penetration is given. In this paper, we have explained the influence of upper and lower heat input limits on the formation of welding bead and introduced the method of using the curve of heat input range to get the optimum welding parameters. A complete set of turbine guide vanes for a jet engine(75 vanes, 100 welds) has been successfully welded with only one test-weld by making use of the curve of heat input range.

本文提供了航空工业中四种常用材料薄板电子束焊的下限线能量、上限线能量和线能量段的试验值;并提出了成形良好、穿透焊缝的下限线能量的近似计算方法。阐述了下限线能量和上限线能量对焊缝成形的影响,并介绍了利用线能量段曲线选择规范、优选焊缝的方法。本文提供了利用线能量段曲线,经一次试焊就成功地焊接了一台份喷气发动机涡轮导向器叶片(75片,100条焊缝)的实例。

Saturated air solar still is a new distillation device utilizing mainly solar energy,simple in structure and suits for obtaining higher fresh water production under various operating conditions.The experiment studied first for the profile of evaporation velocity under steady state and different heating temperatures for sea water.An equation for profile D=f(t0) was obtained as:It was found that heating temperature is the major factor affecting production,with 46.2℃ as a turning point.The evaporation...

Saturated air solar still is a new distillation device utilizing mainly solar energy,simple in structure and suits for obtaining higher fresh water production under various operating conditions.The experiment studied first for the profile of evaporation velocity under steady state and different heating temperatures for sea water.An equation for profile D=f(t0) was obtained as:It was found that heating temperature is the major factor affecting production,with 46.2℃ as a turning point.The evaporation is accelerated rapidly at the temperatures above this point.Theoretical analyses and experiments proved that liquidgas phase flow ratio byweight should meet the heating temperature of water.Maximum increase of production and lower heat consumption could be achieved only when higher ratio- 3.0 at typical solar radiation.

研究得到了太阳能空气饱和蒸馏器在稳态情况下和不同海水加热温度下的蒸发速度实验式:lgD=7.062+3.446t_0海水加热温度是影响淡水产量的主要因素,以46.2℃为转折,超过此温度,蒸发速度急促增加。液-气两相重量流量比(W/G),必须与海水加热温度相适应。温度较高,(W/G)值也应较大,这样才能最大限度地提高产水量和降低产水的耗热量。当t_0=96℃时,(W/G)_(最佳)=12;当(W/G)=11时,t_(0最佳)=90℃。在一般太阳辐射条件下,t_0=60℃,(W/G)=1.67—3.0时,热耗值最低。过多地通入空气是空气饱和蒸馏器动力消耗较大的重要原因。在适当工况下进行操作,所需空气量较小。这样,不但产水量高、热耗值低、系统阻力减少,而且能耗大幅度降低。 模拟试验表明:太阳能空气饱和蒸馏器在太阳辐射日总量4500〔千卡/米~2〕时,每平方米集热器面积,每日可产淡水5—7公斤,所需翅片冷凝器换热面积为0.21〔米~2/时·公斤淡水〕。

 
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